claim instagram username

Instagram username claim method

Hi everyone, I search some portals for username on instagram. I have big clients and I would like to claim instagram username personally with portals. If anyone know a portal let me know

I'd like to claim a username which has been inactive since 2016 which consists of 6 letters (6 seems to be the minimum amount of characters for most services to claim it). I guess I have a couple options: 1) I try to find out who the real owner is and he sells me the account ( because trying to...